Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.375,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.9,
    "recommended_max_bid": 9,
    "estimated_resale_low": 9,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small evening handbag with a metal frame and shoulder chain.",
        "photo 2: Beaded surface and framed clutch construction are visible."
    ],
    "negative_evidence": [
        "photo 1: The bag is entirely covered in glass\/plastic-style beads rather than Coach glove-tanned leather, suede, or recognizable Coach canvas.",
        "photo 1: Shiny framed kisslock construction and chain are not characteristic evidence of a vintage Coach classic.",
        "photo 3: No Coach wordmark, horse-and-carriage, creed patch, or other Coach identifier is visible.",
        "photo 4: The side construction shows a metal frame and chain rather than a Coach leather handbag construction.",
        "photo 6: No brand marking is visible on the exterior or hardware.",
        "photo 1, photo 2, photo 3, photo 6: body is all-over black glass beading, not glove-tanned leather",
        "photo 1, photo 2, photo 5, photo 6: kisslock \/ scissor-frame closure with gold-tone frame, not Coach turnlock",
        "photo 1, photo 4: thin gold-tone chain strap, not leather Coach strap with brass dogleash clips",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 5: gold-tone plated frame hardware, not solid brass vintage Coach hardware"
    ],
    "missing_information": [
        "photo 1-6: Interior view, including any sewn-in label or brand tag, is not provided.",
        "photo 1-6: Close-ups of the inside frame, chain attachments, and lining are not provided.",
        "photo 1-6: Seller-stated dimensions and material details are not provided.",
        "photo 5: interior \/ lining not shown, but irrelevant to Coach determination given beaded construction",
        "photo 5, photo 6: no creed patch visible; no maker mark visible on frame"
    ],
    "authenticity_concerns": [
        "photo 1-6: No evidence connects this beaded evening bag to Coach; it appears to be a generic or unbranded beaded clutch.",
        "photo 6: A loose thread is visible at the right edge, indicating minor construction wear or beadwork damage."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the beaded framed evening-bag silhouette does not correspond to the listed vintage Coach leather classics.",
        "The seller's use of 'vintage' is unverified by the photos; the bag could be older costume\/accessory merchandise, but no date or brand identifier is visible.",
        "Condition: Good to Very Good; the body appears intact overall, but a loose thread is visible in photo 6 and the interior cannot be assessed.",
        "Beaded kisslock evening clutch with chain is outside Coach materials and silhouettes; Coach did not make all-beaded bags in any catalog era",
        "No hard identifiers visible in any of 6 photos: no creed, no wordmark, no hangtag, no solid-brass turnlock",
        "Condition: Very Good to Excellent for beaded type; beadwork intact in photos (photo 3, photo 6), frame bright (photo 5), interior and bead loss at edges not assessable"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Shiny gold-tone rectangular metal frame with kisslock closure, chain shoulder strap, and chain attachment loops visible in photos 1, 5, and 6.",
        "leather_description": "not_visible; exterior is covered with black beads and beadwork rather than visibly exposed leather.",
        "lining_description": "not_visible",
        "strap_construction": "Thin gold-tone chain shoulder strap attached at two upper side loops, visible in photos 1 and 4.",
        "stitching_description": "Beaded surface construction is visible; photo 6 shows a loose thread at the right edge. Conventional leather-bag stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small evening handbag with a metal frame and shoulder chain.",
                    "photo 2: Beaded surface and framed clutch construction are visible."
                ],
                "negative_evidence": [
                    "photo 1: The bag is entirely covered in glass\/plastic-style beads rather than Coach glove-tanned leather, suede, or recognizable Coach canvas.",
                    "photo 1: Shiny framed kisslock construction and chain are not characteristic evidence of a vintage Coach classic.",
                    "photo 3: No Coach wordmark, horse-and-carriage, creed patch, or other Coach identifier is visible.",
                    "photo 4: The side construction shows a metal frame and chain rather than a Coach leather handbag construction.",
                    "photo 6: No brand marking is visible on the exterior or hardware."
                ],
                "missing_information": [
                    "photo 1-6: Interior view, including any sewn-in label or brand tag, is not provided.",
                    "photo 1-6: Close-ups of the inside frame, chain attachments, and lining are not provided.",
                    "photo 1-6: Seller-stated dimensions and material details are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1-6: No evidence connects this beaded evening bag to Coach; it appears to be a generic or unbranded beaded clutch.",
                    "photo 6: A loose thread is visible at the right edge, indicating minor construction wear or beadwork damage."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "Shiny gold-tone rectangular metal frame with kisslock closure, chain shoulder strap, and chain attachment loops visible in photos 1, 5, and 6.",
                    "leather_description": "not_visible; exterior is covered with black beads and beadwork rather than visibly exposed leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "Thin gold-tone chain shoulder strap attached at two upper side loops, visible in photos 1 and 4.",
                    "stitching_description": "Beaded surface construction is visible; photo 6 shows a loose thread at the right edge. Conventional leather-bag stitching is not visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the beaded framed evening-bag silhouette does not correspond to the listed vintage Coach leather classics.",
                    "The seller's use of 'vintage' is unverified by the photos; the bag could be older costume\/accessory merchandise, but no date or brand identifier is visible.",
                    "Condition: Good to Very Good; the body appears intact overall, but a loose thread is visible in photo 6 and the interior cannot be assessed."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 5: interior \/ lining not shown, but irrelevant to Coach determination given beaded construction",
                    "photo 5, photo 6: no creed patch visible; no maker mark visible on frame"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3, photo 6: body is all-over black glass beading, not glove-tanned leather",
                    "photo 1, photo 2, photo 5, photo 6: kisslock \/ scissor-frame closure with gold-tone frame, not Coach turnlock",
                    "photo 1, photo 4: thin gold-tone chain strap, not leather Coach strap with brass dogleash clips",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 5: gold-tone plated frame hardware, not solid brass vintage Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 5, photo 6: gold-tone kisslock frame with ball clasp and thin gold-tone chain shoulder strap; bright plated tone, not solid vintage brass",
                    "leather_description": "photo 3, photo 6: no leather visible; exterior is black seed beads and bugle beads in sunburst pattern",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; beaded construction, no leather stitching visible",
                    "strap_construction": "photo 1, photo 4: thin gold-tone metal chain, full-length shoulder \/ crossbody length",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Beaded kisslock evening clutch with chain is outside Coach materials and silhouettes; Coach did not make all-beaded bags in any catalog era",
                    "No hard identifiers visible in any of 6 photos: no creed, no wordmark, no hangtag, no solid-brass turnlock",
                    "Condition: Very Good to Excellent for beaded type; beadwork intact in photos (photo 3, photo 6), frame bright (photo 5), interior and bead loss at edges not assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17719,
            "output_tokens": 757,
            "total_tokens": 18476,
            "estimated_cost_usd": 0.008904
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18052,
            "output_tokens": 1110,
            "total_tokens": 19162,
            "estimated_cost_usd": 0.004498
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}